Home / 922,969.38-1,385,071.83-323,933.34

Finding the Fourth Proportional to 922,969.38, 1,385,071.83 and 323,933.34

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Solution

The fourth proportional to 922,969.38, 1,385,071.83 and 323,933.34 is: 486,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,969.38 : 1,385,071.83 = 323,933.34 : x
  2. Step 2: Convert to fraction form
    922,969.38/1,385,071.83 = 323,933.34/x
  3. Step 3: Cross multiply
    922,969.38x = 1,385,071.83 × 323,933.34
  4. Step 4: Simplify right side
    922,969.38x = 448,670,944,031.81
  5. Step 5: Solve for x
    x = 448,670,944,031.81/922,969.38
  6. Step 6: Final answer
    x = 486,116.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.